undefined symbol : pow arm gcc compiler

Andrew Haley aph@redhat.com
Tue Sep 4 15:40:00 GMT 2012


On 09/04/2012 03:11 PM, Abdul Wahid Memon wrote:

> This is the problem that cross compiler is not linking with the math library.

Right, because the cross compiler does not need the math library.

> During plugin development,  I have specified -lm (though it is also
> compiling without specifying -lm) and also when I am calling the
> plugin, I am specifying -lm to indicate the compiler that link the
> math library too.

That's the part I'd need to see to believe.  If your plugin is linked
with -lm, then 'ldd plugin' will show libm.so.

> But, in my previous mail, as can be seen that the libraries searched
> do not include libmath.so file. This is what I don't understand that
> why it is not including the library.

The problem occurs when linking your plugin.  You need to look very
closely at that step.

Andrew.




More information about the Gcc-help mailing list